Home / 72,430,415.15-108,645,622.73-55,424,303.15

Finding the Fourth Proportional to 72,430,415.15, 108,645,622.73 and 55,424,303.15

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Solution

The fourth proportional to 72,430,415.15, 108,645,622.73 and 55,424,303.15 is: 83,136,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,430,415.15 : 108,645,622.73 = 55,424,303.15 : x
  2. Step 2: Convert to fraction form
    72,430,415.15/108,645,622.73 = 55,424,303.15/x
  3. Step 3: Cross multiply
    72,430,415.15x = 108,645,622.73 × 55,424,303.15
  4. Step 4: Simplify right side
    72,430,415.15x = 6,021,607,929,830,929
  5. Step 5: Solve for x
    x = 6,021,607,929,830,929/72,430,415.15
  6. Step 6: Final answer
    x = 83,136,454.73

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.